3 src-perf := $(srctree)/tools/perf
11 obj-perf := $(abspath $(obj-perf))/
14 $(shell printf "" > $(OUTPUT).config-detected)
15 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
20 include $(srctree)/tools/scripts/Makefile.arch
22 $(call detected_var,SRCARCH)
27 # Additional ARCH settings for ppc
28 ifeq ($(SRCARCH),powerpc)
31 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
35 # Additional ARCH settings for x86
37 $(call detected,CONFIG_X86)
38 ifeq (${IS_64_BIT}, 1)
40 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43 $(call detected,CONFIG_X86_64)
45 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
52 LIBUNWIND_LIBS = -lunwind -lunwind-arm
55 ifeq ($(SRCARCH),arm64)
58 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
65 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
68 ifeq ($(NO_PERF_REGS),0)
69 $(call detected,CONFIG_PERF_REGS)
72 ifneq ($(NO_SYSCALL_TABLE),1)
73 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
76 # So far there's only x86 and arm libdw unwind support merged in perf.
77 # Disable it on all other architectures in case libdw unwind
78 # support is detected in system. Add supported architectures
80 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81 NO_LIBDW_DWARF_UNWIND := 1
84 ifeq ($(LIBUNWIND_LIBS),)
88 # For linking with debug library, run like:
90 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
93 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94 define libunwind_arch_set_flags_code
95 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
96 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
100 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
101 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
106 # Set per-feature check compilation flags
107 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
113 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
115 OPENCSDLIBS := -lopencsd_c_api -lopencsd
117 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
119 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
122 ifeq ($(NO_PERF_REGS),0)
123 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
126 # for linking with debug library, run like:
127 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
129 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
130 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
133 ifeq ($(findstring -static,${LDFLAGS}),-static)
134 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
136 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
137 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
139 # for linking with debug library, run like:
140 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
141 ifdef LIBBABELTRACE_DIR
142 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
143 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
145 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
146 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
148 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
149 # include ARCH specific config
150 -include $(src-perf)/arch/$(SRCARCH)/Makefile
152 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
153 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
156 include $(srctree)/tools/scripts/utilities.mak
158 ifeq ($(call get-executable,$(FLEX)),)
159 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
162 ifeq ($(call get-executable,$(BISON)),)
163 dummy := $(error Error: $(BISON) is missing on this system, please install it)
166 # Treat warnings as errors unless directed not to
177 ifeq ($(CC_NO_CLANG), 0)
185 PARSER_DEBUG_BISON := -t
186 PARSER_DEBUG_FLEX := -d
187 CFLAGS += -DPARSER_DEBUG
188 $(call detected_var,PARSER_DEBUG_BISON)
189 $(call detected_var,PARSER_DEBUG_FLEX)
192 # Try different combinations to accommodate systems that only have
193 # python[2][-config] in weird combinations but always preferring
194 # python2 and python2-config as per pep-0394. If we catch a
195 # python[-config] in version 3, the version check will kill it.
196 PYTHON2 := $(if $(call get-executable,python2),python2,python)
197 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
199 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
200 override PYTHON_CONFIG := \
201 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
203 grep-libs = $(filter -l%,$(1))
204 strip-libs = $(filter-out -l%,$(1))
206 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
209 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
210 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
211 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
212 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
213 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
216 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
217 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
218 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
219 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
221 CFLAGS += -fno-omit-frame-pointer
223 CFLAGS += -funwind-tables
228 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
230 CXXFLAGS += -fno-omit-frame-pointer
232 CXXFLAGS += -funwind-tables
233 CXXFLAGS += -Wno-strict-aliasing
235 # Enforce a non-executable stack, as we may regress (again) in the future by
236 # adding assembler files missing the .GNU-stack linker note.
237 LDFLAGS += -Wl,-z,noexecstack
239 EXTLIBS = -lpthread -lrt -lm -ldl
241 ifeq ($(FEATURES_DUMP),)
242 include $(srctree)/tools/build/Makefile.feature
244 include $(FEATURES_DUMP)
247 ifeq ($(feature-stackprotector-all), 1)
248 CFLAGS += -fstack-protector-all
252 ifeq ($(feature-fortify-source), 1)
253 CFLAGS += -D_FORTIFY_SOURCE=2
257 INC_FLAGS += -I$(src-perf)/util/include
258 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
259 INC_FLAGS += -I$(srctree)/tools/include/uapi
260 INC_FLAGS += -I$(srctree)/tools/include/
261 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
262 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
263 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
265 # $(obj-perf) for generated common-cmds.h
266 # $(obj-perf)/util for generated bison/flex headers
268 INC_FLAGS += -I$(obj-perf)/util
269 INC_FLAGS += -I$(obj-perf)
272 INC_FLAGS += -I$(src-perf)/util
273 INC_FLAGS += -I$(src-perf)
274 INC_FLAGS += -I$(srctree)/tools/lib/
276 CFLAGS += $(INC_FLAGS)
277 CXXFLAGS += $(INC_FLAGS)
279 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
281 ifeq ($(feature-sync-compare-and-swap), 1)
282 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
285 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
286 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
289 ifeq ($(feature-pthread-barrier), 1)
290 CFLAGS += -DHAVE_PTHREAD_BARRIER
294 $(call feature_check,bionic)
295 ifeq ($(feature-bionic), 1)
297 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
298 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
299 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
300 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
304 ifeq ($(feature-eventfd), 1)
305 CFLAGS += -DHAVE_EVENTFD
308 ifeq ($(feature-get_current_dir_name), 1)
309 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
316 NO_LIBDW_DWARF_UNWIND := 1
320 ifeq ($(feature-libelf), 0)
321 ifeq ($(feature-glibc), 1)
327 ifeq ($(LIBC_SUPPORT),1)
328 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
334 NO_LIBDW_DWARF_UNWIND := 1
338 ifneq ($(filter s% -static%,$(LDFLAGS),),)
339 msg := $(error No static glibc found, please install glibc-static);
341 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
345 ifndef NO_LIBDW_DWARF_UNWIND
346 ifneq ($(feature-libdw-dwarf-unwind),1)
347 NO_LIBDW_DWARF_UNWIND := 1
348 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
351 ifneq ($(feature-dwarf), 1)
353 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
357 ifneq ($(feature-dwarf_getlocations), 1)
358 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
360 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
361 endif # dwarf_getlocations
362 endif # Dwarf support
363 endif # libelf support
366 ifeq ($(feature-glibc), 1)
367 CFLAGS += -DHAVE_GLIBC_SUPPORT
370 ifeq ($(feature-libaio), 1)
372 CFLAGS += -DHAVE_AIO_SUPPORT
377 NO_LIBDW_DWARF_UNWIND := 1
380 ifeq ($(feature-sched_getcpu), 1)
381 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
384 ifeq ($(feature-setns), 1)
385 CFLAGS += -DHAVE_SETNS_SUPPORT
386 $(call detected,CONFIG_SETNS)
390 ifeq ($(feature-libopencsd), 1)
391 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
392 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
393 EXTLIBS += $(OPENCSDLIBS)
394 $(call detected,CONFIG_LIBOPENCSD)
396 CFLAGS += -DCS_DEBUG_RAW
397 ifeq (${CSTRACE_RAW}, packed)
398 CFLAGS += -DCS_RAW_PACKED
405 CFLAGS += -DHAVE_LIBELF_SUPPORT
407 $(call detected,CONFIG_LIBELF)
409 ifeq ($(feature-libelf-mmap), 1)
410 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
413 ifeq ($(feature-libelf-getphdrnum), 1)
414 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
417 ifeq ($(feature-libelf-gelf_getnote), 1)
418 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
420 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
423 ifeq ($(feature-libelf-getshdrstrndx), 1)
424 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
428 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
429 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
432 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
433 LDFLAGS += $(LIBDW_LDFLAGS)
434 EXTLIBS += ${DWARFLIBS}
435 $(call detected,CONFIG_DWARF)
436 endif # PERF_HAVE_DWARF_REGS
440 ifeq ($(feature-bpf), 1)
441 CFLAGS += -DHAVE_LIBBPF_SUPPORT
442 $(call detected,CONFIG_LIBBPF)
446 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
447 CFLAGS += -DHAVE_BPF_PROLOGUE
448 $(call detected,CONFIG_BPF_PROLOGUE)
450 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
453 msg := $(warning DWARF support is off, BPF prologue is disabled);
460 ifneq ($(feature-sdt), 1)
461 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
464 CFLAGS += -DHAVE_SDT_EVENT
465 $(call detected,CONFIG_SDT_EVENT)
469 ifdef PERF_HAVE_JITDUMP
471 $(call detected,CONFIG_JITDUMP)
472 CFLAGS += -DHAVE_JITDUMP
476 ifeq ($(SRCARCH),powerpc)
478 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
485 ifeq ($(feature-libunwind-x86), 1)
486 $(call detected,CONFIG_LIBUNWIND_X86)
487 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
488 LDFLAGS += -lunwind-x86
489 EXTLIBS_LIBUNWIND += -lunwind-x86
493 ifeq ($(feature-libunwind-aarch64), 1)
494 $(call detected,CONFIG_LIBUNWIND_AARCH64)
495 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
496 LDFLAGS += -lunwind-aarch64
497 EXTLIBS_LIBUNWIND += -lunwind-aarch64
499 $(call feature_check,libunwind-debug-frame-aarch64)
500 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
501 msg := $(warning No debug_frame support found in libunwind-aarch64);
502 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
506 ifneq ($(feature-libunwind), 1)
507 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
508 NO_LOCAL_LIBUNWIND := 1
511 $(call detected,CONFIG_LOCAL_LIBUNWIND)
514 ifneq ($(have_libunwind), 1)
518 NO_LOCAL_LIBUNWIND := 1
522 ifneq ($(feature-bpf), 1)
523 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
528 dwarf-post-unwind := 1
529 dwarf-post-unwind-text := BUG
531 # setup DWARF post unwinder
533 ifdef NO_LIBDW_DWARF_UNWIND
534 msg := $(warning Disabling post unwind, no support found.);
535 dwarf-post-unwind := 0
537 dwarf-post-unwind-text := libdw
538 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
541 dwarf-post-unwind-text := libunwind
542 $(call detected,CONFIG_LIBUNWIND)
543 # Enable libunwind support by default.
544 ifndef NO_LIBDW_DWARF_UNWIND
545 NO_LIBDW_DWARF_UNWIND := 1
549 ifeq ($(dwarf-post-unwind),1)
550 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
551 $(call detected,CONFIG_DWARF_UNWIND)
556 ifndef NO_LOCAL_LIBUNWIND
557 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
558 $(call feature_check,libunwind-debug-frame)
559 ifneq ($(feature-libunwind-debug-frame), 1)
560 msg := $(warning No debug_frame support found in libunwind);
561 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
564 # non-ARM has no dwarf_find_debug_frame() function:
565 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
567 EXTLIBS += $(LIBUNWIND_LIBS)
568 LDFLAGS += $(LIBUNWIND_LIBS)
570 ifeq ($(findstring -static,${LDFLAGS}),-static)
571 # gcc -static links libgcc_eh which contans piece of libunwind
572 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
576 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
577 CFLAGS += $(LIBUNWIND_CFLAGS)
578 LDFLAGS += $(LIBUNWIND_LDFLAGS)
579 EXTLIBS += $(EXTLIBS_LIBUNWIND)
582 ifeq ($(NO_SYSCALL_TABLE),0)
583 $(call detected,CONFIG_TRACE)
586 ifneq ($(feature-libaudit), 1)
587 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
590 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
592 $(call detected,CONFIG_TRACE)
598 ifneq ($(feature-libcrypto), 1)
599 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
602 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
604 $(call detected,CONFIG_CRYPTO)
613 ifneq ($(feature-libslang), 1)
614 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
617 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
618 CFLAGS += -I/usr/include/slang
619 CFLAGS += -DHAVE_SLANG_SUPPORT
621 $(call detected,CONFIG_SLANG)
626 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
627 ifneq ($(feature-gtk2), 1)
628 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
631 ifeq ($(feature-gtk2-infobar), 1)
632 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
634 CFLAGS += -DHAVE_GTK2_SUPPORT
635 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
636 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
642 CFLAGS += -DNO_LIBPERL
644 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
645 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
646 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
647 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
648 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
649 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
650 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
652 ifneq ($(feature-libperl), 1)
653 CFLAGS += -DNO_LIBPERL
655 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
657 LDFLAGS += $(PERL_EMBED_LDFLAGS)
658 EXTLIBS += $(PERL_EMBED_LIBADD)
659 CFLAGS += -DHAVE_LIBPERL_SUPPORT
660 $(call detected,CONFIG_LIBPERL)
664 ifeq ($(feature-timerfd), 1)
665 CFLAGS += -DHAVE_TIMERFD_SUPPORT
667 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
670 disable-python = $(eval $(disable-python_code))
671 define disable-python_code
672 CFLAGS += -DNO_LIBPYTHON
678 $(call disable-python,Python support disabled by user)
682 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
684 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
687 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
690 ifneq ($(feature-libpython), 1)
691 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
693 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
694 EXTLIBS += $(PYTHON_EMBED_LIBADD)
695 LANG_BINDINGS += $(obj-perf)python/perf.so
696 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
697 $(call detected,CONFIG_LIBPYTHON)
703 ifeq ($(feature-libbfd), 1)
706 # we are on a system that requires -liberty and (maybe) -lz
707 # to link against -lbfd; test each case individually here
709 # call all detections now so we get correct
710 # status in VF output
711 $(call feature_check,libbfd-liberty)
712 $(call feature_check,libbfd-liberty-z)
714 ifeq ($(feature-libbfd-liberty), 1)
715 EXTLIBS += -lbfd -liberty
717 ifeq ($(feature-libbfd-liberty-z), 1)
718 EXTLIBS += -lbfd -liberty -lz
724 CFLAGS += -DNO_DEMANGLE
726 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
729 ifeq ($(filter -liberty,$(EXTLIBS)),)
730 $(call feature_check,cplus-demangle)
732 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
733 # or any of 'bfd iberty z' trinity
734 ifeq ($(feature-cplus-demangle), 1)
737 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
738 CFLAGS += -DNO_DEMANGLE
743 ifneq ($(filter -liberty,$(EXTLIBS)),)
744 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
748 ifneq ($(filter -lbfd,$(EXTLIBS)),)
749 CFLAGS += -DHAVE_LIBBFD_SUPPORT
753 ifeq ($(feature-zlib), 1)
754 CFLAGS += -DHAVE_ZLIB_SUPPORT
756 $(call detected,CONFIG_ZLIB)
763 ifeq ($(feature-lzma), 1)
764 CFLAGS += -DHAVE_LZMA_SUPPORT
766 $(call detected,CONFIG_LZMA)
768 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
774 ifeq ($(feature-backtrace), 1)
775 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
780 ifeq ($(feature-libnuma), 0)
781 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
784 ifeq ($(feature-numa_num_possible_cpus), 0)
785 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
788 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
790 $(call detected,CONFIG_NUMA)
795 ifdef HAVE_KVM_STAT_SUPPORT
796 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
799 ifeq (${IS_64_BIT}, 1)
800 ifndef NO_PERF_READ_VDSO32
801 $(call feature_check,compile-32)
802 ifeq ($(feature-compile-32), 1)
803 CFLAGS += -DHAVE_PERF_READ_VDSO32
805 NO_PERF_READ_VDSO32 := 1
808 ifneq ($(SRCARCH), x86)
809 NO_PERF_READ_VDSOX32 := 1
811 ifndef NO_PERF_READ_VDSOX32
812 $(call feature_check,compile-x32)
813 ifeq ($(feature-compile-x32), 1)
814 CFLAGS += -DHAVE_PERF_READ_VDSOX32
816 NO_PERF_READ_VDSOX32 := 1
820 NO_PERF_READ_VDSO32 := 1
821 NO_PERF_READ_VDSOX32 := 1
824 ifndef NO_LIBBABELTRACE
825 $(call feature_check,libbabeltrace)
826 ifeq ($(feature-libbabeltrace), 1)
827 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
828 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
829 EXTLIBS += -lbabeltrace-ctf
830 $(call detected,CONFIG_LIBBABELTRACE)
832 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
837 ifeq ($(SRCARCH),x86)
838 ifeq ($(feature-get_cpuid), 0)
839 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
844 $(call detected,CONFIG_AUXTRACE)
845 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
850 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
851 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
853 ifneq (,$(wildcard /usr/sbin/alternatives))
854 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
858 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
864 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
865 $(call feature_check,jvmti)
866 ifeq ($(feature-jvmti), 1)
867 $(call detected_var,JDIR)
869 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
870 $(call feature_check,jvmti-cmlr)
871 ifeq ($(feature-jvmti-cmlr), 1)
872 CFLAGS += -DHAVE_JVMTI_CMLR
874 endif # NO_JVMTI_CMLR
876 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
884 $(call feature_check,cxx)
885 ifneq ($(feature-cxx), 1)
886 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
888 $(call feature_check,llvm)
889 $(call feature_check,llvm-version)
890 ifneq ($(feature-llvm), 1)
891 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
893 $(call feature_check,clang)
894 ifneq ($(feature-clang), 1)
895 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
897 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
898 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
899 $(call detected,CONFIG_CXX)
900 $(call detected,CONFIG_CLANGLLVM)
904 ifneq ($(feature-llvm-version),1)
905 msg := $(warning This version of LLVM is not tested. May cause build errors)
912 # Among the variables below, these:
920 # ETC_PERFCONFIG (but not sysconfdir)
921 # can be specified as a relative path some/where/else;
922 # this is interpreted as relative to $(prefix) and "perf" at
923 # runtime figures out where they are based on the path to the executable.
924 # This can help installing the suite in a relocatable way.
926 # Make the path relative to DESTDIR, not to prefix
930 bindir_relative = bin
931 bindir = $(abspath $(prefix)/$(bindir_relative))
934 perfexecdir = libexec/perf-core
935 perf_include_dir = lib/perf/include
936 perf_examples_dir = lib/perf/examples
937 sharedir = $(prefix)/share
938 template_dir = share/perf-core/templates
939 STRACE_GROUPS_DIR = share/perf-core/strace/groups
940 htmldir = share/doc/perf-doc
941 tipdir = share/doc/perf-tip
942 srcdir = $(srctree)/tools/perf
943 ifeq ($(prefix),/usr)
945 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
947 sysconfdir = $(prefix)/etc
948 ETC_PERFCONFIG = etc/perfconfig
951 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
957 libdir = $(prefix)/$(lib)
959 # Shell quote (do not use $(call) to accommodate ancient setups);
960 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
961 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
962 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
963 bindir_SQ = $(subst ','\'',$(bindir))
964 mandir_SQ = $(subst ','\'',$(mandir))
965 infodir_SQ = $(subst ','\'',$(infodir))
966 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
967 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
968 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
969 template_dir_SQ = $(subst ','\'',$(template_dir))
970 htmldir_SQ = $(subst ','\'',$(htmldir))
971 tipdir_SQ = $(subst ','\'',$(tipdir))
972 prefix_SQ = $(subst ','\'',$(prefix))
973 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
974 libdir_SQ = $(subst ','\'',$(libdir))
975 srcdir_SQ = $(subst ','\'',$(srcdir))
977 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
978 perfexec_instdir = $(perfexecdir)
979 perf_include_instdir = $(perf_include_dir)
980 perf_examples_instdir = $(perf_examples_dir)
981 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
982 tip_instdir = $(tipdir)
984 perfexec_instdir = $(prefix)/$(perfexecdir)
985 perf_include_instdir = $(prefix)/$(perf_include_dir)
986 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
987 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
988 tip_instdir = $(prefix)/$(tipdir)
990 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
991 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
992 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
993 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
994 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
996 # If we install to $(HOME) we keep the traceevent default:
997 # $(HOME)/.traceevent/plugins
998 # Otherwise we install plugins into the global $(libdir).
1000 plugindir=$(libdir)/traceevent/plugins
1001 plugindir_SQ= $(subst ','\'',$(plugindir))
1004 print_var = $(eval $(print_var_code)) $(info $(MSG))
1005 define print_var_code
1006 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1010 # Display EXTRA features which are detected manualy
1011 # from here with feature_check call and thus cannot
1012 # be partof global state output.
1013 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1014 $(call print_var,prefix)
1015 $(call print_var,bindir)
1016 $(call print_var,libdir)
1017 $(call print_var,sysconfdir)
1018 $(call print_var,LIBUNWIND_DIR)
1019 $(call print_var,LIBDW_DIR)
1020 $(call print_var,JDIR)
1022 ifeq ($(dwarf-post-unwind),1)
1023 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1028 $(call detected_var,bindir_SQ)
1029 $(call detected_var,PYTHON_WORD)
1031 $(call detected_var,OUTPUT)
1033 $(call detected_var,htmldir_SQ)
1034 $(call detected_var,infodir_SQ)
1035 $(call detected_var,mandir_SQ)
1036 $(call detected_var,ETC_PERFCONFIG_SQ)
1037 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1038 $(call detected_var,prefix_SQ)
1039 $(call detected_var,perfexecdir_SQ)
1040 $(call detected_var,perf_include_dir_SQ)
1041 $(call detected_var,perf_examples_dir_SQ)
1042 $(call detected_var,tipdir_SQ)
1043 $(call detected_var,srcdir_SQ)
1044 $(call detected_var,LIBDIR)
1045 $(call detected_var,GTK_CFLAGS)
1046 $(call detected_var,PERL_EMBED_CCOPTS)
1047 $(call detected_var,PYTHON_EMBED_CCOPTS)